Sadie Elizabeth Sink (born April 16, 2002) is an American actress. She began her career in theatre as a child, playing the title role in the musical Annie (2012–2014) and young Elizabeth II in the historical play The Audience (2015) on Broadway. In 2016, she made her film debut in the biographical sports drama Chuck. Sink broke through as Max Mayfield in the Netflix science fiction horror series Stranger Things (2017–2025), earning critical praise for her performance.
Sink appeared in the horror film trilogy Fear Street in 2021 and starred in Darren Aronofsky's 2022 psychological drama The Whale. She portrays Jean Grey in the Marvel Cinematic Universe(MCU), starting with the film Spider-Man: Brand New Day (2026), and will reprise the role in Avengers: Secret Wars (2027) and the untitled X-Men film (2028). She received a Tony Awardnomination for Best Actress in a Play for her performance in the Broadway production of John Proctor Is the Villain (2025), and made her West End debut in Robert Icke's production of Romeo and Juliet in 2026.
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Untitled X-Men Filmas Jean Grey2028
Avengers: Secret Warsas Jean Grey2027
Spider-Man: Brand New Dayas Jean Grey★7.82026
O'Dessaas O'Dessa Galloway★5.82025
A Sacrificeas Mazzy★5.52024
Dear Zoeas Tess DeNunzio★6.52022
The Whaleas Ellie★7.82022
All Too Well: The Short Filmas Her★8.02021
Fear Street: 1978as Ziggy Berman★7.22021
Fear Street: 1666as Constance / Ziggy Berman★7.12021